<template>
    <HomePanel title="热门品牌" sub-title="国际经典 品质保证">
      <template #right>
        <a @click="toggle(-1)" :class="{disabled: index === 0}" href="javascript:;" class="iconfont icon-angle-left prev"></a>
        <a @click="toggle(1)"  :class="{disabled: index === 1}" href="javascript:;" class="iconfont icon-angle-right next"></a>
      </template>
      <div class="box" ref="target">
        <Transition name="fade">
        <ul v-if="brands.length" class="list" :style="{transform:`translateX(${-index*1240}px)`}">
          <li v-for="item in brands" :key="item.id">
            <RouterLink to="/">
              <img :src="item.picture" alt="">
            </RouterLink>
          </li>
        </ul>
        <div v-else class="skeleton">
          <XtxSkeleton class="item" v-for="i in 5" :key="i" width="240px" height="305px"  bg="#e4e4e4"></XtxSkeleton>
        </div>
      </Transition>
      </div>
    </HomePanel>
</template>

<script>
import HomePanel from './home-panel.vue'
import { ref } from 'vue'
import { findBrand } from '@/api/home'
import { useLazyData } from '@/hooks'
export default {
  name: 'HomeBrand',
  components: { HomePanel },
  setup () {
    const { target, result } = useLazyData(() => findBrand(10))
    const index = ref(0)
    const toggle = (setp) => {
      const newIndex = index.value + setp
      if (newIndex < 0 || newIndex > 1) return
      index.value = newIndex
    }
    return { brands: result, index, toggle, target }
  }
}
</script>

<style scoped lang="less">
  .skeleton {
    width: 100%;
    display: flex;
    .item {
      margin-right: 10px;
      &:nth-child(5n) {
        margin-right: 0;
      }
    }
  }
  .home-panel {
    background:#f5f5f5
  }
  .iconfont {
    width: 20px;
    height: 20px;
    background: #ccc;
    color: #fff;
    display: inline-block;
    text-align: center;
    margin-left: 5px;
    background: @xtxColor;
    &::before {
      font-size: 12px;
      position: relative;
      top: -2px
    }
    &.disabled {
      background: #ccc;
      cursor: not-allowed;
    }
  }
  .box {
    display: flex;
    width: 100%;
    height: 345px;
    overflow: hidden;
    padding-bottom: 40px;
    .list {
      width: 200%;
      display: flex;
      transition: all 1s;
      li {
        margin-right: 10px;
        width: 240px;
        &:nth-child(5n) {
          margin-right: 0;
        }
        img {
          width: 240px;
          height: 305px;
        }
      }
    }
  }
</style>
